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Fix Docker Compose Port Already Allocated on Linux - Troubleshooting Nginx 502 Bad Gateway Socket Errors-Cloudflare 522 Timeout: Disable Proxy Temporarily

Updated 2026-07-28 12:25:45browser-issues
Fix Docker Compose Port Already Allocated on Linux - Troubleshooting Nginx 502 Bad Gateway Socket Errors-Cloudflare 522 Timeout: Disable Proxy Temporarily
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

More repair notes

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